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Publication:3692329
zbMath0573.47028MaRDI QIDQ3692329
Publication date: 1980
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Pontryagin spacepositive compact operatorconditions for a positive operator on a Krein space to have a positive square rootuniformly positive subspace
Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear operators on spaces with an indefinite metric (47B50)
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